A Boston subway train traveling at constant speed traveled 10.1 miles in half an hour. What was the speed of the subway train?

Mathematics

2 answers:

Klio2033 [76]3 years ago

7 0

Speed of the train : distance traveled / time of the travel = 10.1/(0.5)=<span>20.2 mph. Hope this helped!</span>

velikii [3]3 years ago

3 0

You would have to divide the 10.1 miles to the half and hour and your nswer would be 20.2

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Oksana_A [137]

Answer:

7
see below
5
the rule is not one-to-one

Step-by-step explanation:

Applying the squaring rule to each of the elements of the domain, we get ...

$\begin{array}{cc}\text{Domain}&\text{Range}\\1&1\\-3&9\\-\frac{1}{2}&\frac{1}{4}\\3&9\\2&4\\\frac{1}{4}&\frac{1}{16}\\0.5&\frac{1}{4}\end{array}$

1. There are 7 different numbers in the Domain list.

2. See above

3. There are 5 different numbers in the Range list.

4. The rule "square me" is not "one-to-one" Two different values in the domain can result in the same value in the range. -3 and 3 both result in 9. -1/2 and 0.5 both result in 1/4.

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